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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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PEF22504HT датащи(PDF) 13 Page - Infineon Technologies AG |
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PEF22504HT датащи(HTML) 13 Page - Infineon Technologies AG |
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13 / 255 page  Version 2.1 Type Package PEF 22504 HT PG-TQFP-144-17 PEF 22504 E P/PG-LBGA-160-1 P/PG-LBGA-160-1 P-TQFP-144-6, -8, -14 Data Sheet 13 Rev. 1.3, 2006-01-25 Quad E1/T1/J1 Line Interface Component for Long- and Short-Haul Applications QuadLIU TM PEF 22504 E 1.1 Features Line Interface • High-density, generic interface for all E1/T1/J1 applications • Four Analog receive and transmit circuits for long-haul and short-haul applications • E1 or T1/J1 mode selectable • Data and clock recovery using an integrated digital phase-locked loop • Clock generator for jitter-free transmit clocks per channel • Jitter specifications of ITU-T I.431, G.703, G.736 (E1), G.823 (E1) and AT&T TR62411 (T1/J1) and PUB 62411 are met • Maximum line attenuation up to -43 dB at 1024 kHz (E1) and up to - 36 dB at 772 kHz (T1/J1) • Flexible programmable transmit pulse shapes for E1 and T1/J1 pulse masks • Programmable line build-out for CSU signals according to ANSI T1. 403 and FCC68: 0 dB, -7.5 dB, -15 dB, -22.5 dB (T1/J1) • Programmable low transmitter output impedances for high transmit return loss and generic E1/T1/J1 applications • Tristate function of the analog transmit line outputs • Transmit line monitor protecting the device from damage • Flexible tristate functions of the digital receive outputs • Receive line monitor mode • Integrated switchtable 300 Ω receive resistors for generic E1/T1/J1 applications to meet termination resistance 75/120 Ω for E1, 100 Ω for T1 and 110 Ω for J1 • Integrated multi purpose analog switch at line receive interface to support generic redundancy applications (only supported in P/PG-LBGA-160-1 package) • Crystal-less wander and jitter attenuation/compensation according to TR 62411, ETS-TBR 12/13, PUB 62411 • Common master clock reference for E1 and T1/J1 with any frequency within 1.02 and 20 MHz • Power-down function • Support of automatic protection switching • Dual-rail or single-rail digital inputs and outputs • Unipolar CMI for interfacing fiber-optical transmission routes • Selectable line codes (E1: HDB3, AMI/T1: B8ZS, AMI with ZCS) • Loss-of-signal indication with programmable thresholds according to ITU-T G.775, ETS300233 (E1) and ANSI T1.403 (T1/J1) • Optional data stream muting upon LOS detection • Programmable receive slicer threshold |
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